Methods of making a gas tube surge protector
AssigneeWestern Electric Company, Inc.
InventorCarl C. Perkins, Jr.
Life of this patent
Estimating the term…
Abstract
A gas tube surge protector (11) includes a housing (12) and spaced electrodes (14 and 16) which form a gastight envelope (27). A width of a gap (31) between the electrodes is precisely established by urging at last one of the electrodes (14) toward the other. By moving a plunger (66) a stressed center (43) plastically yields to establish the desired gap width. The gap width is controlled by a test set (76) which measures the electrical characteristics of the surge protector.
Claims6
A method of making a surge protector having an elongate, electrically insulating housing including at least two electrodes one of which is mounted into each of two opposite ends of such housing, such electrodes having opposing surfaces transverse to a longitudinal axis of the housing which comprises:
- assembling the at least two electrodes and the housing to form a gastight envelope holding the electrodes in spaced relationship opposite one another within the envelope;
- testing electrical characteristics between such electrodes to determine a deviation of the width of a gap between such electrodes from a predetermined width;
- and
- straining at least one tubular portion of said at least two electrodes of said envelope in the direction of the longitudinal axis of the housing to move at least one of the electrodes toward a face of one other of the at least two electrodes until the gap of a predetermined width has been established therebetween.
A method of making a surge protector which comprises:
- forming a gastight envelope of a housing and at least two electrodes extending from opposite ends in the direction of a longitudinal axis into such housing and being spaced to form a gap transverse to such longitudinal axis of the housing between opposing faces of such electrodes, said envelope retaining a gas;
- and
- straining a dedicated tubular strainable section of at least one of the electrodes of said envelope in a direction of the longitudinal axis of the housing and in proportion to a deviation of a width of the gap from a predetermined width to narrow the width of the gap until the predetermined width of the gap has been obtained.
Dependencies are inferred from the claim text.